رقم الجزء
تجريد
صلاحيه
UOM
NIIN
MRC:
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.CRTL
Criticality Code Justification:
Zzzy
MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel alloy 4340 per mil-s-5000 cond c; coat with electroless nickel 0-001 thick per mil-c-26074 class 1 grade a except thds; four holes to have 0.0002 to 0.0003 thk coating; heat treat to obtain brinell hardness of 270-310 (rc 28-34) finish with 125 microinches; four holes no 38-0.1015 drill and tap for 5-40 unc-2b, soc hd cap scrs equally spaced on 0.750 in.; 1.059 in. Dia, 0.188 in. Thk; 0.314 in. Id hole
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
